Quote:
Originally Posted by jpb620
ford has a o ring kit for the egr and you can clean it yourself
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Maybe you can help. Truck runs crappy. Rough idle sometimes, and bucks back and forth at about 50 mph. Codes show P0401- egr insuff. flow and P0402- Excessive flow. I pulled the egr and cleaned it, though I don't know if it was clean enough, but it didn't make a difference. Should I try to clean it again or do I need to buy a new one. There are some on e bay for sale have you heard anything bad buying used one?
